PubNub
PrivateLast Round
Series E
Nov 3, 2021
Est. Valuation
$220M
Total Funding Raised
$128.5M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
PubNub operates in AI, Data & Cloud Infrastructure and is based in San Francisco, California. Its latest recorded funding round was a Series E round in November 2021.
PubNub is a cloud infrastructure company that provides a real-time communication platform and APIs for building, scaling, and managing interactive applications.
Sector
AI, Data & Cloud Infrastructure
Verticals
Platform-as-a-Service, Cloud Communications, Edge Computing, Serverless Computing
Business Model
B2B
Customer Profile
Usage-Based SaaS, Freemium
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
PubNub Comparables
Compare PubNub with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Ably | 88% | |
| Bird | 83% | |
| Stream | 77% |
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PubNub Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series E | Nov 3, 2021 | ||||
| Series D | Apr 9, 2019 | ||||
| VC Round | Sep 12, 2016 | ||||
| Series C | Oct 15, 2015 | ||||
| Series B | Sep 17, 2013 | ||||
Series A | Mar 20, 2012 |
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Key People
Founding team and executive leadership
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PubNub Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Uncork Capital | Series B |
| Hewlett Packard Pathfinder | Series E, Series D |
| BlackBerry Partners Fund | Series D, Series B, Series A |
| Clearvision Ventures | Series C |
| Clearvision Ventures | Series C |
| Scale Venture Partners | Series D, Series C, Series E, Series B |
| Relay Ventures | Series D, Series C, Series B, Series A |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 1, 2026
Announced Blocks.ai, a secure network for the Internet of Agents.
- Jul 1, 2026
Dropbox named as a new customer.
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Recent news
Latest coverage and updates
- has_revenueAug 20, 2026
PubNub Inc. records an estimated $46.2M in revenue in Oct '24.
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PubNub Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about PubNub's valuation, stock price, and market status.
Is PubNub a public or private company?
PubNub is a private company.
What is the current stock price of PubNub?
PubNub is a private company, so its shares have no public market price. Caplight tracks PubNub's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is PubNub worth (valuation)?
PubNub's valuation is estimated at $220.0M based on funding round data.
Can I buy PubNub stock?
PubNub shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was PubNub's last funding round?
PubNub's most recent funding round was Series E on November 3, 2021.
Who are the main investors in PubNub?
Key investors in PubNub include Hewlett Packard Pathfinder, BlackBerry Partners Fund, Scale Venture Partners, Relay Ventures, Sapphire Ventures.
Will PubNub IPO soon?
No public IPO plans have been announced for PubNub.
How can I track PubNub secondary market activity?
Caplight tracks bids, offers, and trades in PubNub's shares on secondary markets.